UE context retrieve for V2X services

A base station comprising:

• one or more processors;
• memory storing instructions that, when executed by the one or more processors, cause the base station to:
• receive, from a wireless device, a radio resource control (RRC) connection resume request message comprising a resume identity;
• send, to a second base station based at least on the resume identity, a retrieve user equipment (UE) context request message comprising the resume identity;
• receive, from the second base station in response to the retrieve UE context request message, a retrieve UE context response message comprising a UE context information element (IE) comprising one or more temporary mobile group identities (TMGIs) of one or more multimedia broadcast multicast service (MBMS) services that the wireless device is receiving or interested to receive, wherein the UE context IE is retrieved based at least on the resume identity;
• and
• transmit transport blocks comprising MBMS transport blocks to provide at least one of the one or more MBMS services to the wireless device.

A method comprising:

• transmitting, by a first base station to a wireless device, a radio resource control (RRC) connection release message comprising a resume identity;
• receiving, by the first base station from a second base station, a retrieve user equipment (UE) context request message comprising the resume identity;
• and
• transmitting, by the first base station to the second base station in response to the retrieve UE context request message, a retrieve UE context response message comprising a UE context information element (IE) comprising one or more temporary mobile group identities (TMGIs) of one or more multimedia broadcast multicast service (MBMS) services that the wireless device is receiving or interested to receive, wherein the UE context IE is retrieved based at least on the resume identity.